M-theory v1.1
by UGO
(UGO Website)

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Operating System:
File Size: 8.7 MB
License Conditions:

Occasional volume drops and only 64 patches. Registration: US$35.00

System Requirements:

VSTi host application.

Last Updated: 2008-04-12
For more detail about software : Software Description
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Software Description

M-theory is a physical modeling hybrid synth that provides a very wide range of high quality synthetic and hybrid acoustic modeled sounds. M-theory is the successor to the popular String Theory and, in comparison to its predecessor, M-theory is far more flexible and delivers a much higher quality tone, with greater depth, clarity, and character.

The heart of M-theory is its multi part oscillator system, which allows the user to combine the output two exciters to drive a Karplus-Strong style delay based oscillator. The exciters can be either samples (24 built in, or user loaded), VA oscillators, or noise and each imparts some of its tone to the delay oscillator. Of special note is that even though M-theory can make use of samples it is definitely not a "rompler" since the actual sound of the sample is not retained; only certain characteristics of the tone are passed on to the overall sound. This method makes programming faster and easier while still providing physical modeling flexibility, and allows M-theory to have it's own unique voice rather than that of the sample.

In addition to is flexible multi-part oscillator system, M-theory also provides extensive filtering options (including the option of mixing low, band, high and all pass filters at the same time), dual programmable phrase arpeggiators, six built in effects, and much more. M-theory comes with 320 presets which range from sounds inspired by natural instruments all the way to other-worldly pads and ambiences.


  • Karplus-Strong style synthesis engine.
  • Dual exciters, each with the option of samples, VA or noise sources.
  • Independent low, band, high, and all pass filters.
  • Dual programmable arpeggiators and an extra MIDI note doubler.
  • Built in tremolo, metal effect, chorus, delay, distortion, and reverb.
  • 320 presets.

New in v1.1

  • New features: 5 new arp speeds - Slower, Faster, Very Fast, Odd 1, and Odd 2. The latter two provide a kind of offset/odd timed feel.
  • New features: Arp pattern (clock gate) length adjustment. This allows you to set how many steps the clock gate sequencer uses, ranging from 1 (gate full open) to 16. This can be useful for odd time signatures and each arp can be set individually.
  • New features: Arp bypass option when latched. This new bypass feature should be especially handy for people who play/record live (rather than step sequence) since it lets you jam over top of an arp pattern without your having to load another instance of the plugin to do it.
  • New features: Sound quality modes: HQ / LQ. High quality is the default and how it was previously. Low quality mode provides a softer tone which can save some CPU. Basically, what it does is just removes a whole bunch of tonal enhancements from various points in the signal chain. The softer tone definitely can have its uses, but the main reason for it is just in case you really need to shave off a few % from the CPU hit. This setting will be global and will not be saved with presets. This will let you set it once and flip through presets without having to keep changing it. The setting will be saved with your songs though.
  • Fixed missing automation for the VA exciter pitch controls.
  • Changed the name of the arp hold to "latch".
  • A few other minor internal improvements. Most of them you may not see the difference in, but they help a few features run just a tiny bit more efficiently. However, one of those changes resulted in the the tone being a little bit brighter, clearer, and a little better defined.
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